Process control instrument



FIG. 1 is a perspective view of a process control instrument.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a cross-sectional view taken along the line 8-8 in FIG. 2,which omits the internal structure; and,

FIG. 9 is a cross-sectional view taken along the line 9-9 in FIG. 2,which omits the internal structure.

The oblique line shading on the semicircle area of the front sideillustrates translucency.

The broken lines depict unclaimed subject matter only, which forms nopart of the claimed design.

CLAIM The ornamental design for a process control instrument, as shownand described.